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Small satellite From Wikipedia, the free encyclopedia
SDS-4 (Small Demonstration Satellite 4) is a small satellite (50 cm cube with mass of 50 kg) developed by JAXA. It was launched as a secondary payload on the Shizuku mission on 17 May 2012 UTC.[4]
Mission type | Technology |
---|---|
Operator | JAXA |
COSPAR ID | 2012-025C |
SATCAT no. | 38339 |
Spacecraft properties | |
Spacecraft type | SDS |
Launch mass | 50 kilograms (110 lb)[1] |
Start of mission | |
Launch date | 17 May 2012, 16:39 UTC[2] |
Rocket | H-IIA 202 |
Launch site | Tanegashima Yoshinobu 1 |
Contractor | Mitsubishi |
End of mission | |
Deactivated | 1 July 2021 |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth |
Perigee altitude | 666 kilometres (414 mi) |
Apogee altitude | 678 kilometres (421 mi) |
Inclination | 98.23 degrees |
Period | 98.05 minutes |
Epoch | 30 October 2013, 08:31:20 UTC[3] |
In 2019, its ownership was transferred to the SKY Perfect JSAT Corporation (JSAT).[5] Operation was terminated by the end of June 2021.[6]
There are four rather specialised systems on the satellite:
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